Laser



FIG. 1 is a front perspective view of a laser showing my new design;

FIG. 2 is a right view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a back view thereof.

Any broken lines present are indicative of environmental structure in the drawing and are not part of the design sought to be patented. 

CLAIM The ornamental design for a laser, as shown and described. 